The design and preliminary metrological characterization of a waveguide system for complex permittivity measurement on both compact and granular materials is presented. The proposed system is intended for the dielectric characterization of asphalt concrete and of its components at frequencies around 2.45 GHz. Therefore, the system easily allows performing measurements on granular materials, such as mineral aggregates found in the asphalt concrete. A series of experimental tests on reference materials shows, via comparison with a standard measurement system, errors within 1%. A theoretical analysis of uncertainty contributions confirms a predicted expanded uncertainty lower than 5%.

Design and characterization of a measurement system for dielectric spectroscopy investigations on granular materials in the 2.45 GHz ISM band / Piuzzi, Emanuele; Chicarella, S.; Frezza, Fabrizio; Pisa, Stefano; Prontera, Santo; Timpani, Fabrizio; Cannazza, G.; Cataldo, A.; De Benedetto, E.. - ELETTRONICO. - (2015), pp. 734-738. (Intervento presentato al convegno 2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2015) tenutosi a Pisa; Italy nel 11-14 May 2015) [10.1109/I2MTC.2015.7151359].

Design and characterization of a measurement system for dielectric spectroscopy investigations on granular materials in the 2.45 GHz ISM band

PIUZZI, Emanuele;Chicarella, S.;FREZZA, Fabrizio;PISA, Stefano;PRONTERA, Santo;TIMPANI, FABRIZIO;
2015

Abstract

The design and preliminary metrological characterization of a waveguide system for complex permittivity measurement on both compact and granular materials is presented. The proposed system is intended for the dielectric characterization of asphalt concrete and of its components at frequencies around 2.45 GHz. Therefore, the system easily allows performing measurements on granular materials, such as mineral aggregates found in the asphalt concrete. A series of experimental tests on reference materials shows, via comparison with a standard measurement system, errors within 1%. A theoretical analysis of uncertainty contributions confirms a predicted expanded uncertainty lower than 5%.
2015
2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2015)
permittivity measurements; transmission/reflection methods; asphalt concrete characterization; WR430 waveguide; uncertainty evaluation
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
Design and characterization of a measurement system for dielectric spectroscopy investigations on granular materials in the 2.45 GHz ISM band / Piuzzi, Emanuele; Chicarella, S.; Frezza, Fabrizio; Pisa, Stefano; Prontera, Santo; Timpani, Fabrizio; Cannazza, G.; Cataldo, A.; De Benedetto, E.. - ELETTRONICO. - (2015), pp. 734-738. (Intervento presentato al convegno 2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC 2015) tenutosi a Pisa; Italy nel 11-14 May 2015) [10.1109/I2MTC.2015.7151359].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/788106
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